3398985 has 12 divisors (see below), whose sum is σ = 5891652. Its totient is φ = 1812768.

The previous prime is 3398971. The next prime is 3398987. The reversal of 3398985 is 5898933.

It can be written as a sum of positive squares in 2 ways, for example, as 1750329 + 1648656 = 1323^2 + 1284^2 .

It is not a de Polignac number, because 3398985 - 2¹¹ = 3396937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 75533 = 3398985 / (3 + 3 + 9 + 8 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3398985.

It is not an unprimeable number, because it can be changed into a prime (3398987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37722 + ... + 37811.

It is an arithmetic number, because the mean of its divisors is an integer number (490971).

Almost surely, 2^3398985 is an apocalyptic number.

It is an amenable number.

3398985 is a deficient number, since it is larger than the sum of its proper divisors (2492667).

3398985 is a wasteful number, since it uses less digits than its factorization.

3398985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75544 (or 75541 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 3398985 is about 1843.6336403961. The cubic root of 3398985 is about 150.3544948958.

The spelling of 3398985 in words is "three million, three hundred ninety-eight thousand, nine hundred eighty-five".